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You'll be notified when this gauge is rising more than 0.10 m/hr — a sign of rapidly increasing water levels.
You'll be notified when a new storm-overflow (sewage) discharge starts within ~3 km of this gauge, based on the water companies' near-real-time feeds.
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Last Level
0.169 mAOD
⚠ 8h ago · may be out of date
24h Max
0.703 mAOD
24h Min
0.107 mAOD
Typical Range
0.00 - 1.10
mAOD
Highest Recorded
1.38 mAOD
EA official record
A 3.91 reading (16 Mar 2013) sits in our unverified raw history and is not treated as the record
ⓘ
Flood alert
The tidal River Yare from Thorpe St Andrew to Breydon Water
Tide locking, where high tides restrict normal drainage of the river out to sea, tomorrow morning may lead to flooding.
Flooding is possible Flooding is possible from 10:00am to 12:30pm on Thursday 08 October.
We expect to see high water levels in Brundall and Reedham riverside areas. Levels can take several hours to peak.
We are closely monitoring the situation .
Take care and avoid walking, cycling or driving through flood water.
This message will be updated by 5:00PM on Thursday 08 October or as the situation changes.
Experimental model fusing soil moisture, river flow, groundwater and catchment
character. The shaded band is its 10–90% range, widened so that about 80% of recent outcomes fall inside it.
Under evaluation — not yet promoted, so treat as a second opinion.
Storm overflows whose water reaches this gauge on the mapped river network, nearest first by distance along the river. The status is each water company's monitor: it says whether an overflow is discharging, not how much or what it contains.
20 storm overflows are traced upstream of this gauge. 0 report discharging now, 18 report not discharging, and for 2 the monitor is offline or has not reported, so their status is not known.
Anglian Water · into Tidal River Yare · 5.7 km away in a straight line · discharges to the sea, an estuary or tidal water
1 spill · 4 hours in 2025
Not discharging now · last
1 other overflow within 6 km is downstream of this gauge or on another branch of the river network, so it is not listed.
These are the water companies' monitor statuses; a spill does not by itself explain a change in the gauge level. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels. Explore the sewage map →
Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record.
See also the Rockland St Mary flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 5 areas linked to this gauge, nearest first.
Timing, not cause. Gauges can move together simply because the same rain fell on both.
Frequently asked questions
Is the River Yare at Rockland St Mary flooding today?
The current level is 0.17m, which is within the typical range of 0.00 to 1.10m. Flooding is unlikely at this level.
Is the river level rising or falling at Rockland St Mary?
Based on the most recent readings, the level is currently rising. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.
Why is the level slowly falling?
When little or no rain has fallen for a while, a river level gradually drops as the water stored in the ground and soil drains away with nothing to replace it. This is called baseflow recession and is normal in dry spells. Only about 2.4mm of rain has fallen nearby in the last 7 days, so the flow is being sustained mainly by groundwater. A gentle decline like this is expected and is not a sign of a problem — downstream gauges often recede a little faster than headwaters further upstream, and levels recover once rain returns.
What is a normal level for the River Yare at Rockland St Mary?
The typical range at this station is 0.00m to 1.10m, based on Environment Agency historical data. Levels above 1.10m are higher than usually seen and may indicate a flood risk.
How often is this river level data updated?
Readings are supplied by the Environment Agency gauge. FloodRadar checks for updates roughly every 15 minutes; the timestamp above shows how recent the latest available reading is.
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📮 Flood risk by postcode near this gauge
Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:
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